Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: †Ammonoidea
Ordo: †Ammonitida
SubOrdo: †Ammonitina
Superfamilia: †Haplocerataceae
Familia: †Oppeliidae
Subfamiliae: †Aconeceratinae – †Binneyitinae – †Distchoceratinae – †Hecticoceratinae – †Mazapilitinae – †Oppeliinae – †Phlycticeratinae – †Streblitinae – †Taramelliceratinae
References
Oppeliidae are compressed to oxyconic, sculptured Haploceratoidea, either unkeeled, unicarinate, bicarinate, or tricarinate; with sutures in great variety, but ribbing usually more or less falcoid or falcate. The Oppeliidae is the principal family of the Haploceratoidea, with the longest duration, extending from the Middle Jurassic (Bajocian) to the Upper Cretaceous (Cenomanian) Their derivation is from the Hildoceratoidea.
Subfamilies
Nine subfamilies are recognized, the first eight of which are included in the earlier Treatise, Part L. They are the:
Oppeliinae
Hecticoceratinae
Distchoceratinae
Teramelliceratinae
Phlycticeratinae
Streblitinae
Mazapilitinae
Aconeceratinae
Binneyitinae
The Binneyitinae was added by Donovan et al, 1981, transferred from the Stephanoceratoidea.
References
D.T Donavan, J.H. Callomon, and M.K Howarth. 1981. Classification of the Jurassic Ammonitina. In The Ammonoidea. M.R. House and J.R. Senior, eds. Systematics Assoc. Pub Academic Press.
Treatise on Invertebrate Paleontology Part L Mollusca 4, Mesozoic Ammonoidea. R.C Moore (ed.); Geol. Society of America and Univ. Kansas Press. (1957)
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